Abstract
A female weanling northern elephant seal (Mirounga angustirostris) presented to The Marine Mammal Center in Sausalito, California, USA, in poor body condition. An esophageal obstruction was diagnosed by contrast radiography and esophagoscopy, but despite extensive diagnostics and supportive care, the seal died 6 days later. On postmortem examination, the right aortic arch was persistent, forming a vascular ring anomaly with a patent ductus arteriosus that compressed the distal esophagus. Aplasia of the right cribiform plate and hypoplasia of the right olfactory nerve was also identified. A review of necropsy reports from January 1988 to December 2003 revealed 16 severe congenital anomalies in 454 juvenile northern elephant seals that stranded in northern California.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 499-504 |
| Number of pages | 6 |
| Journal | Journal of Wildlife Diseases |
| Volume | 44 |
| Issue number | 2 |
| DOIs | |
| State | Published - Jan 1 2008 |
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Keywords
- Congenital anomaly
- Cribiform plate aplasia
- Ligamentum arteriosum
- Mirounga angustirostris
- Northern elephant seal
- Olfactory nerve hypoplasia
- Patent ductus arteriosus
- Persistent right aortic arch
ASJC Scopus subject areas
- Ecology, Evolution, Behavior and Systematics
- Ecology
Cite this
Persistent right aortic arch and cribiform plate aplasia in a northern elephant seal (Mirounga angustirostris). / MacLean, Robert A.; Imai, Denise; Dold, Christopher; Haulena, Martin; Gulland, Frances M.D.
In: Journal of Wildlife Diseases, Vol. 44, No. 2, 01.01.2008, p. 499-504.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Persistent right aortic arch and cribiform plate aplasia in a northern elephant seal (Mirounga angustirostris)
AU - MacLean, Robert A.
AU - Imai, Denise
AU - Dold, Christopher
AU - Haulena, Martin
AU - Gulland, Frances M.D.
PY - 2008/1/1
Y1 - 2008/1/1
N2 - A female weanling northern elephant seal (Mirounga angustirostris) presented to The Marine Mammal Center in Sausalito, California, USA, in poor body condition. An esophageal obstruction was diagnosed by contrast radiography and esophagoscopy, but despite extensive diagnostics and supportive care, the seal died 6 days later. On postmortem examination, the right aortic arch was persistent, forming a vascular ring anomaly with a patent ductus arteriosus that compressed the distal esophagus. Aplasia of the right cribiform plate and hypoplasia of the right olfactory nerve was also identified. A review of necropsy reports from January 1988 to December 2003 revealed 16 severe congenital anomalies in 454 juvenile northern elephant seals that stranded in northern California.
AB - A female weanling northern elephant seal (Mirounga angustirostris) presented to The Marine Mammal Center in Sausalito, California, USA, in poor body condition. An esophageal obstruction was diagnosed by contrast radiography and esophagoscopy, but despite extensive diagnostics and supportive care, the seal died 6 days later. On postmortem examination, the right aortic arch was persistent, forming a vascular ring anomaly with a patent ductus arteriosus that compressed the distal esophagus. Aplasia of the right cribiform plate and hypoplasia of the right olfactory nerve was also identified. A review of necropsy reports from January 1988 to December 2003 revealed 16 severe congenital anomalies in 454 juvenile northern elephant seals that stranded in northern California.
KW - Congenital anomaly
KW - Cribiform plate aplasia
KW - Ligamentum arteriosum
KW - Mirounga angustirostris
KW - Northern elephant seal
KW - Olfactory nerve hypoplasia
KW - Patent ductus arteriosus
KW - Persistent right aortic arch
UR - http://www.scopus.com/inward/record.url?scp=43549120049&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=43549120049&partnerID=8YFLogxK
U2 - 10.7589/0090-3558-44.2.499
DO - 10.7589/0090-3558-44.2.499
M3 - Article
C2 - 18436687
AN - SCOPUS:43549120049
VL - 44
SP - 499
EP - 504
JO - Journal of Wildlife Diseases
JF - Journal of Wildlife Diseases
SN - 0090-3558
IS - 2
ER -